<template>
  <div class="nav-bar">
    <div class="left">
      <slot name="left"></slot>
    </div>
    <div class="center">
      <slot name="center"></slot>
    </div>
    <div class="right">
      <slot name="right"></slot>
    </div>
  </div>
</template>

<script>
  export default {
    name: "NavBar"
  }
</script>

<style scoped>
  /*导航栏样式*/
  .nav-bar {
    /*弹性布局*/
    display: flex;
    /*高度*/
    height: 44px;
    /*行高*/
    line-height: 44px;
    /*文字居中*/
    text-align: center;
    /*盒子阴影*/
    box-shadow: 0 1px 1px rgba(100,100,100,.1);
  }

  /*导航左右两边固定宽度*/
  .left,
  .right {
    width: 60px;
    /*background-color: red;*/

   }

  .center {
    /*中间部分占据剩余空间*/
    flex: 1;
    /*背景色*/
    /*background-color: blue;*/
  }


</style>